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annotate libgui/src/dw-main-window.cc @ 31649:deb553ac2c54

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maint: Merge stable to default.
author John W. Eaton <jwe@octave.org>
date Tue, 06 Dec 2022 15:45:27 -0500
parents 431f80aba37a 29d734430e5f
children 2422fb7f1e6c
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 2013-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 /* This is the main window derived from QMainWindow for being used
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27 as the main window in dock widgets like the variable editor or
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28 the file editor
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29 */
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30
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31 #if defined (HAVE_CONFIG_H)
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32 # include "config.h"
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33 #endif
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34
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35 #include <QDockWidget>
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36 #include <QMenu>
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37
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38 #include "dw-main-window.h"
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39 #include "gui-preferences-sc.h"
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40 #include "gui-settings.h"
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41 #include "octave-qobject.h"
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42 #include "shortcut-manager.h"
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43
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44 OCTAVE_BEGIN_NAMESPACE(octave)
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45
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46 dw_main_window::dw_main_window (base_qobject& oct_qobj, QWidget *p)
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47 : QMainWindow (p), m_octave_qobj (oct_qobj)
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48 {
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49 gui_settings settings;
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50
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51 // Adding the actions for closing the dock widgets
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52 m_close_action
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53 = add_action (nullptr, settings.icon ("window-close", false),
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54 tr ("&Close"), SLOT (request_close ()), this);
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55
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56 m_close_all_action
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57 = add_action (nullptr, settings.icon ("window-close", false),
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58 tr ("Close &All"), SLOT (request_close_all ()), this);
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59
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60 m_close_others_action
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61 = add_action (nullptr, settings.icon ("window-close", false),
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62 tr ("Close &Other"), SLOT (request_close_other ()), this);
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63
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64 m_switch_left_action
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65 = add_action (nullptr, QIcon (), tr ("Switch to &Left Widget"),
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66 SLOT (request_switch_left ()), this);
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67
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68 m_switch_right_action
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69 = add_action (nullptr, QIcon (), tr ("Switch to &Right Widget"),
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70 SLOT (request_switch_right ()), this);
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71
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72 // The list of actions for floating widgets
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73 m_actions_list << m_close_action;
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74 m_actions_list << m_close_others_action;
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75 m_actions_list << m_close_all_action;
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76 m_actions_list << m_switch_left_action;
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77 m_actions_list << m_switch_right_action;
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78
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79 notice_settings ();
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80 }
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81
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82 // Re-implementing the popup menu of the main window
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83 QMenu *dw_main_window::createPopupMenu ()
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84 {
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85 QList<QAction *> new_actions = QList<QAction *> ();
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86 new_actions.append (m_close_action);
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87 new_actions.append (m_close_others_action);
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88 new_actions.append (m_close_all_action);
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89
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90 QMenu *menu = QMainWindow::createPopupMenu ();
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91 QList<QAction *> actions = menu->actions();
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92
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93 if (actions.length () > 0)
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94 {
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95 QAction *sep = menu->insertSeparator (actions.at (0));
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96 menu->insertActions (sep, new_actions);
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97 }
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98 else
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99 menu->addActions (new_actions);
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100
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101 return menu;
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102 }
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103
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104 // Adding an action to the main window
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105 QAction * dw_main_window::add_action (QMenu *menu, const QIcon& icon,
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106 const QString& text, const char *member,
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107 QWidget *receiver)
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108 {
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109 QAction *a;
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110 QWidget *r = this;
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111
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112 if (receiver != nullptr)
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113 r = receiver;
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114
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115 if (menu)
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116 a = menu->addAction (icon, text, r, member);
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117 else
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118 {
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119 a = new QAction (icon, text, this);
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120 a->setEnabled (true);
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121 connect (a, SIGNAL (triggered ()), r, member);
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122 }
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123
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124 addAction (a); // important for shortcut context
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125 a->setShortcutContext (Qt::WidgetWithChildrenShortcut);
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126
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127 return a;
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128 }
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129
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130 // Update the settings
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131 void dw_main_window::notice_settings (void)
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132 {
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133 shortcut_manager& scmgr = m_octave_qobj.get_shortcut_manager ();
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134
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135 scmgr.set_shortcut (m_close_action, sc_edit_file_close);
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136 scmgr.set_shortcut (m_close_all_action, sc_edit_file_close_all);
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137 scmgr.set_shortcut (m_close_others_action, sc_edit_file_close_other);
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138
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139 scmgr.set_shortcut (m_switch_left_action, sc_edit_tabs_switch_left_tab);
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140 scmgr.set_shortcut (m_switch_right_action, sc_edit_tabs_switch_right_tab);
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141 }
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142
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143 // Slots for handling actions
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144
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145 // Close current widget
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146 void dw_main_window::request_close ()
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147 {
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148 for (int i = 0; i < m_dw_list.length (); i++)
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149 {
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150 if (m_dw_list.at (i)->hasFocus ())
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151 {
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152 m_dw_list.at (i)->close ();
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153 if (i > 0)
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154 m_dw_list.at (i-1)->setFocus ();
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155 break;
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156 }
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157 }
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158 }
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159
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160 // Close other widgets
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161 void dw_main_window::request_close_other ()
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162 {
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163 for (int i = m_dw_list.length () - 1; i >= 0; i--)
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164 {
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165 if (! m_dw_list.at (i)->hasFocus ())
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166 m_dw_list.at (i)->close ();
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167 }
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168 }
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169
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170 // Close all widgets
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171 void dw_main_window::request_close_all ()
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172 {
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173 for (int i = m_dw_list.length () - 1; i >= 0; i--)
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174 m_dw_list.at (i)->close ();
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175 }
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176
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177 // Switch to left widget
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178 void dw_main_window::request_switch_left ()
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179 {
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180 request_switch (-1);
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181 }
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182
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183 // Switch to right widget
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184 void dw_main_window::request_switch_right ()
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185 {
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186 request_switch (1);
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187 }
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188
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189 // Switch to left/right widget
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190 void dw_main_window::request_switch (int direction)
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191 {
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192 int active = -1, next;
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193
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194 for (int i = m_dw_list.length () - 1; i >= 0; i--)
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195 {
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196 if (m_dw_list.at (i)->hasFocus ())
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197 {
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198 active = i;
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199 break;
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200 }
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201 }
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202
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203 if (active == -1)
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204 return;
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205
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206 if (direction == -1 && active == 0)
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207 next = m_dw_list.length () - 1;
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208 else if (direction == 1 && active == m_dw_list.length () - 1)
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209 next = 0;
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210 else
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211 next = active + direction;
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212
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213 m_dw_list.at (next)->raise ();
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214 m_dw_list.at (next)->activateWindow ();
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215 m_dw_list.at (next)->setFocus ();
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216 }
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217
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218 // Reimplemented Event
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219 bool dw_main_window::event (QEvent *ev)
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220 {
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221 if (ev->type () == QEvent::ChildAdded
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222 || ev->type () == QEvent::ChildRemoved)
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223 {
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224 // Adding or Removing a child indicates that a dock widget was
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225 // created or removed.
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226 // In all cases, the list of dock widgets has to be updated.
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227 m_dw_list = findChildren<QDockWidget *>();
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228 }
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229
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230 if (ev->type () == QEvent::StyleChange)
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231 {
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232 // This might indicate un- or re-docking a widget: Make sure
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233 // floating widgets get a copy of our actions
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234 for (int i = m_dw_list.length () - 1; i >= 0; i--)
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235 {
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236 // First remove possibly existing actions
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237 for (int j = m_actions_list.length () - 1; j >0; j--)
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238 m_dw_list.at (i)->removeAction (m_actions_list.at (j));
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239
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240 // Then add our actions for floating widgets
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241 if (m_dw_list.at (i)->isFloating ())
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242 m_dw_list.at (i)->addActions (m_actions_list);
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243 }
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244 }
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245
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246 return QMainWindow::event (ev);
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247 }
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248
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249 OCTAVE_END_NAMESPACE(octave)
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250